285868260520

素因数分解:

$2^3\times 5^1\times {\mathrm{8269}}^1\times {\mathrm{864277}}^1$

素因数の和:872557

約数の個数: 32

約数和(自身を含む): 643282115400

約数和(自身を除く): 357413854880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8269, 16538, 33076, 41345, 66152, 82690, 165380, 330760, 864277, 1728554, 3457108, 4321385, 6914216, 8642770, 17285540, 34571080, 7146706513, 14293413026, 28586826052, 35733532565, 57173652104, 71467065130, 142934130260, 285868260520]

約数ペア:

[(1, 285868260520), (2, 142934130260), (4, 71467065130), (5, 57173652104), (8, 35733532565), (10, 28586826052), (20, 14293413026), (40, 7146706513), (8269, 34571080), (16538, 17285540), (33076, 8642770), (41345, 6914216), (66152, 4321385), (82690, 3457108), (165380, 1728554), (330760, 864277)]